For its three investment centers, Blue Spruce Company accumulates the following data. Sales Controllable margin Average operating assets $1,640,000 Return on investment 1,107,000 4,100,000 11 $3,280,000 1,574,400 6,560,000 Compute the return on investment (ROI) for each center. do % $3,280,000 2,870,000 8,200,000 || do % %

For its three investment centers, Blue Spruce Company accumulates the following data. Compute the return on investment (ROI) for each center